Home / 84,592.74-116,685.06-54,417.36

Finding the Fourth Proportional to 84,592.74, 116,685.06 and 54,417.36

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Solution

The fourth proportional to 84,592.74, 116,685.06 and 54,417.36 is: 75,061.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,592.74 : 116,685.06 = 54,417.36 : x
  2. Step 2: Convert to fraction form
    84,592.74/116,685.06 = 54,417.36/x
  3. Step 3: Cross multiply
    84,592.74x = 116,685.06 × 54,417.36
  4. Step 4: Simplify right side
    84,592.74x = 6,349,692,916.64
  5. Step 5: Solve for x
    x = 6,349,692,916.64/84,592.74
  6. Step 6: Final answer
    x = 75,061.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.